Added 64-bit MMIO accessors for ARMv8

[J-u-boot.git] / include / fat.h

diff --git a/include/fat.h b/include/fat.h
index 15dbf1094c351c41bae791951de22a9ab1a2efa7..63cf78779bd585d18516519593f4e86455bdf68c 100644 (file)
--- a/include/fat.h
+++ b/include/fat.h
@@ -4,24 +4,7 @@
  * 2002-07-28 - [email protected] - ported to ppcboot v1.1.6
  * 2003-03-10 - [email protected] - ported to u-boot
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #ifndef _FAT_H_
@@ -35,7 +18,11 @@
 #define VFAT_MAXSEQ            9   /* Up to 9 of 13 2-byte UTF-16 entries */
 #define PREFETCH_BLOCKS                2
 
-#define MAX_CLUSTSIZE  65536
+#ifndef CONFIG_FS_FAT_MAX_CLUSTSIZE
+#define CONFIG_FS_FAT_MAX_CLUSTSIZE 65536
+#endif
+#define MAX_CLUSTSIZE  CONFIG_FS_FAT_MAX_CLUSTSIZE
+
 #define DIRENTSPERBLOCK        (mydata->sect_size / sizeof(dir_entry))
 #define DIRENTSPERCLUST        ((mydata->clust_size * mydata->sect_size) / \
                         sizeof(dir_entry))
@@ -98,12 +85,16 @@
 #endif
 #endif
 
-#define TOLOWER(c)     if((c) >= 'A' && (c) <= 'Z'){(c)+=('a' - 'A');}
 #define START(dent)    (FAT2CPU16((dent)->start) \
                        + (mydata->fatsize != 32 ? 0 : \
                          (FAT2CPU16((dent)->starthi) << 16)))
+#define IS_LAST_CLUST(x, fatsize) ((x) >= ((fatsize) != 32 ? \
+                                       ((fatsize) != 16 ? 0xff8 : 0xfff8) : \
+                                       0xffffff8))
 #define CHECK_CLUST(x, fatsize) ((x) <= 1 || \
-                               (x) >= ((fatsize) != 32 ? 0xfff0 : 0xffffff0))
+                               (x) >= ((fatsize) != 32 ? \
+                                       ((fatsize) != 16 ? 0xff0 : 0xfff0) : \
+                                       0xffffff0))
 
 typedef struct boot_sector {
        __u8    ignored[3];     /* Bootstrap code */
@@ -176,12 +167,12 @@ typedef struct dir_slot {
 typedef struct {
        __u8    *fatbuf;        /* Current FAT buffer */
        int     fatsize;        /* Size of FAT in bits */
-       __u16   fatlength;      /* Length of FAT in sectors */
+       __u32   fatlength;      /* Length of FAT in sectors */
        __u16   fat_sect;       /* Starting sector of the FAT */
-       __u16   rootdir_sect;   /* Start sector of root directory */
+       __u32   rootdir_sect;   /* Start sector of root directory */
        __u16   sect_size;      /* Size of sectors in bytes */
        __u16   clust_size;     /* Size of clusters in sectors */
-       short   data_begin;     /* The sector of the first cluster, can be negative */
+       int     data_begin;     /* The sector of the first cluster, can be negative */
        int     fatbufnum;      /* Used by get_fatent, init to -1 */
 } fsdata;
 
@@ -206,8 +197,15 @@ file_read_func             file_fat_read;
 int file_cd(const char *path);
 int file_fat_detectfs(void);
 int file_fat_ls(const char *dir);
+int fat_exists(const char *filename);
+long file_fat_read_at(const char *filename, unsigned long pos, void *buffer,
+                     unsigned long maxsize);
 long file_fat_read(const char *filename, void *buffer, unsigned long maxsize);
 const char *file_getfsname(int idx);
+int fat_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info);
 int fat_register_device(block_dev_desc_t *dev_desc, int part_no);
 
+int file_fat_write(const char *filename, void *buffer, unsigned long maxsize);
+int fat_read_file(const char *filename, void *buf, int offset, int len);
+void fat_close(void);
 #endif /* _FAT_H_ */